/**
 * The Posts.controllers namespace
 * @namespace Posts.controllers
 */
Posts.controllers = {};

/**
 * Controller for all posts lists
 */
Posts.controllers.list = RouteController.extend({

  template: "posts_list_controller",

  onBeforeAction: function () {
    var showViewsNav = (typeof this.showViewsNav === 'undefined') ? true : this.showViewsNav;

    if (showViewsNav) {
      this.render('post_list_top', {to: 'postListTop'});
    }
    this.next();
  },

  data: function () {

    var terms = {
      view: this.view,
      limit: this.params.limit || Settings.get('postsPerPage', 10)
    };

    // console.log('----------------- router running');

    // note: the post list controller template will handle all subscriptions, so we just need to pass in the terms
    return {
      terms: terms
    };
  },

  getTitle: function () {
    return i18n.t(this.view);
  },

  getDescription: function () {
    if (Router.current().route.getName() === 'posts_default') { // return site description on root path
      return Settings.get('description');
    } else {
      return i18n.t(_.findWhere(Telescope.menus.get("viewsMenu"), {label: this.view}).description);
    }
  },

  fastRender: true
});

var getDefaultViewController = function () {
  var defaultView = Settings.get('defaultView', 'top');
  return Posts.controllers[defaultView];
};

// wrap in startup block to make sure Settings collection is defined
Meteor.startup(function () {
  Posts.controllers.default = getDefaultViewController().extend({
    getTitle: function () {
      var title = Settings.get('title', 'Telescope');
      var tagline = Settings.get('tagline');
      var fullTitle = !!tagline ? title + ' – ' + tagline : title ;
      return fullTitle;
    }
  });

});

/**
 * Controller for top view
 */
Posts.controllers.top = Posts.controllers.list.extend({
  view: 'top',
});

/**
 * Controller for new view
 */
Posts.controllers.new = Posts.controllers.list.extend({
  view: 'new',
});

/**
 * Controller for best view
 */
Posts.controllers.best = Posts.controllers.list.extend({
  view: 'best',
});

/**
 * Controller for pending view
 */
Posts.controllers.pending = Posts.controllers.list.extend({
  view: 'pending',
});

/**
 * Controller for scheduled view
 */
Posts.controllers.scheduled = Posts.controllers.list.extend({
  view: 'scheduled',
});

/**
 * Controller for single post page
 */
Posts.controllers.page = RouteController.extend({

  template: 'post_page',

  waitOn: function() {
    this.postSubscription = coreSubscriptions.subscribe('singlePost', this.params._id);
    this.postUsersSubscription = coreSubscriptions.subscribe('postUsers', this.params._id);
    this.commentSubscription = coreSubscriptions.subscribe('commentsList', {view: 'postComments', postId: this.params._id});
  },

  post: function() {
    return Posts.findOne(this.params._id);
  },

  getTitle: function () {
    if (!!this.post())
      return this.post().title;
  },

  onBeforeAction: function() {
    if (! this.post()) {
      if (this.postSubscription.ready()) {
        this.render('not_found');
      } else {
        this.render('loading');
      }
    } else {
      this.next();
    }
  },

  onRun: function() {
    var sessionId = Meteor.default_connection && Meteor.default_connection._lastSessionId ? Meteor.default_connection._lastSessionId : null;
    Meteor.call('increasePostViews', this.params._id, sessionId);
    this.next();
  },

  data: function() {
    return this.post();
  },
  fastRender: true
});

Meteor.startup(function () {

  Router.route('/', {
    name: 'posts_default',
    controller: Posts.controllers.default
  });

  Router.route('/top/:limit?', {
    name: 'posts_top',
    controller: Posts.controllers.top
  });

  // New

  Router.route('/new/:limit?', {
    name: 'posts_new',
    controller: Posts.controllers.new
  });

  // Best

  Router.route('/best/:limit?', {
    name: 'posts_best',
    controller: Posts.controllers.best
  });

  // Pending

  Router.route('/pending/:limit?', {
    name: 'posts_pending',
    controller: Posts.controllers.pending
  });

  // Scheduled

  Router.route('/scheduled/:limit?', {
    name: 'posts_scheduled',
    controller: Posts.controllers.scheduled
  });

  // Post Page

  Router.route('/posts/:_id', {
    name: 'post_page',
    controller: Posts.controllers.page
  });

  Router.route('/posts/:_id/comment/:commentId', {
    name: 'post_page_comment',
    controller: Posts.controllers.page,
    onAfterAction: function () {
      // TODO: scroll to comment position
    }
  });

  // Post Edit

  Router.route('/posts/:_id/edit', {
    name: 'post_edit',
    template: 'post_edit',
    waitOn: function () {
      return [
        coreSubscriptions.subscribe('singlePost', this.params._id),
        coreSubscriptions.subscribe('allUsersAdmin')
      ];
    },
    data: function() {
      return {
        postId: this.params._id,
        post: Posts.findOne(this.params._id)
      };
    },
    fastRender: true
  });

  // Post Submit

  Router.route('/submit', {
    name: 'post_submit',
    template: 'post_submit',
    waitOn: function () {
      return coreSubscriptions.subscribe('allUsersAdmin');
    }
  });

});